What is Shuffling and Sorting in a MapReduce?
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What is the default value of map and reduce max attempts?
Explain combiners.
What are the primary phases of a Reducer?
Is reduce-only job possible in Hadoop MapReduce?
Explain what is distributed cache in mapreduce framework?
How many Reducers run for a MapReduce job?
What counter in Hadoop MapReduce?
What are the identity mapper and reducer in MapReduce?
what is "map" and what is "reducer" in Hadoop?
Explain the process of spilling in Hadoop MapReduce?
What is the relation between MapReduce and Hive?
What are the four basic parameters of a reducer?
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